A heatwave warning will remain in place until Thursday with temperatures in some parts of Norfolk hitting 30C yet again.

The level three warning from the Met Office states hot and humid conditions are to persist in parts of the east of England for the next few days and the warning is in place until 9am on Thursday.

But some parts of the county have already seen temperatures drop considerably since yesterday, with lunchtime highs in Norwich of 21C. Forecasters have said the fresher conditions will continue into the weekend before unsettled weather returns next week.

James Wilby of Norwich-based Weatherquest said despite the humid feel fresher conditions will soon arrive.

Cool for cats as one of the tigers at Banham Zoo cools off from the hot sun in a pool in his enclosure. Picture: DENISE BRADLEY

“There will be a more easterly breeze this afternoon bringing a fresher feel even in western parts,” he said. “It will be mild overnight and tomorrow will be another hot day in west Norfolk with highs of 30C but it will remain slightly fresher in the rest of the county with highs of 24C.

“On Thursday it will be warm in the morning with highs of 27C by midday but there will be a chance of thunder storms in the afternoon.”

By Friday it will feel noticeably cooler and going into the weekend there will be highs of 22C and the risk of showers on Saturday and Sunday.

A file picture showing a very hot and sunny Gorleston beach. Picture: James Bass

Unsettled weather will return next week with it being potentially breezy and there is a risk of showers. Early indications for the Norfolk Show on Wednesday and Thursday show temperatures will be back to average for this time of year and there is a risk of showers particularly on the Thursday.

“Unfortunately it doesn’t look like we will be seeing the kind of temperatures we have seen over the past few days.” Mr Wilby added.